<!--
 * @Author: [yuantongxin]
 * @Date: 2018-12-31 15:23:00
 * @LastEditors: [yuantongxin]
 * @LastEditTime: 2021-09-28 22:33:43
 * @Description: 
-->
<template>
  <div id="home">
    <nav-bar class="home-nav"><div slot="center">购物街</div></nav-bar>
    <home-swiper :banners="banners"/>
    <recommend-view :recommends="recommends"/>
    <feature-view/>
    <tab-control class="tab-control" 
    :titles="['流行','新款','精选']" @tabClick="tabClick"></tab-control>

    <goods-List :goods="goods[currentType].list"></goods-List>
   


  </div>
</template>

<script>

  import HomeSwiper from './childComps/HomeSwiper'
  import RecommendView from './childComps/RecommendView'
  import FeatureView from './childComps/FeatureView.vue'

  import NavBar from 'components/common/navbar/NavBar';
  import TabControl from 'components/content/tabControl/TabControl'
  import GoodsList from 'components/content/goods/GoodsList'

  import {getHomeMultidata,getHomeGoods} from "network/home";

  export default {
    name: "Home",
    components: {
      NavBar,
      HomeSwiper,
      RecommendView,
      FeatureView,
      TabControl,
      GoodsList
    },
    data() {
      return {
        // result:null
        banners: [],
        recommends: [],
        goods:{
          'pop':{page:0,list:[]},
          'new':{page:0,list:[]},
          'sell':{page:0,list:[]}
        },
        currentType:'pop'
      }
    },
    created() {
      // 1.请求多个数据  
     this.getHomeMultidata()

      // 2. 请求商品数据
     this.getHomeGoods('pop' )
     this.getHomeGoods('new')
     this.getHomeGoods('sell')

      
    },
    methods:{
      // 事件监听相关
      tabClick(index){
        // console.log(index);
        switch (index) {
          case 0:
            this.currentType = 'pop';
            break;
          case 1:
            this.currentType = 'new';
            break;
          case 2:
            this.currentType = 'sell';
            break;
        }
      },

      // 网络请求相关
      getHomeMultidata(){
         getHomeMultidata().then(res => {
        // console.log(res);
        // this.result = res;
        this.banners = res.data.banner.list;
        this.recommends = res.data.recommend.list;
        })
      },
      getHomeGoods(type){
        const page = this.goods[type].page + 1
         getHomeGoods(type,page).then(res=>{
        //  console.log(res.data);
        this.goods[type].list.push(...res.data.list)
        this.goods[type].page += 1
      })
      }
    }
  }
</script>

<style scoped>
 #home {
   padding-top: 44px;
 }
  .home-nav {
    background-color: var(--color-tint);
    color: #fff;

    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    z-index: 9;
  }

  .tab-control{
    position: sticky;
    top: 44px ;
    z-index: 9;
  }
</style>
